Home / 13,969.91-19,278.48-7,682.27

Finding the Fourth Proportional to 13,969.91, 19,278.48 and 7,682.27

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Solution

The fourth proportional to 13,969.91, 19,278.48 and 7,682.27 is: 10,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.91 : 19,278.48 = 7,682.27 : x
  2. Step 2: Convert to fraction form
    13,969.91/19,278.48 = 7,682.27/x
  3. Step 3: Cross multiply
    13,969.91x = 19,278.48 × 7,682.27
  4. Step 4: Simplify right side
    13,969.91x = 148,102,488.55
  5. Step 5: Solve for x
    x = 148,102,488.55/13,969.91
  6. Step 6: Final answer
    x = 10,601.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.